Question: Which municipality with town privileges in the Czech Republic has the highest mean age?
Paraphrase: In the Czech Republic, which municipality with town privileges has the highest mean age?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q15978299 . ?ent wdt:P4442 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Brno, Prague